Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Aug 31, 2021

Created on Aug 30, 2021

This example demonstrates how to load and parse remote CSV data using D3 v7, displaying the file size, row count, and column count of the dataset on the page. It fetches the text from a GitHub Gist containing CSS named colors, then parses it with `d3.csvParse`. The parsed result exposes the number of rows via `data.length` and column names via `data.columns`, which are written into a `<pre>` element with large font styling. The code uses the Fetch API's `fetch` and `response.text()` to retrieve the raw CSV string before parsing.

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Loading and Parsing CSV Data

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